.sidebar-menu {
    list-style: none;
    margin: 0;
    padding: 0;
    background-color: #f0f0f0
}

.sidebar-menu > li {
    position: relative;
    margin: 0;
    padding: 0
}

.sidebar-menu > li > a {
    padding: 12px 5px 12px 15px;
    display: block;
    border-left: 3px solid transparent;
    /*一级菜单字体颜色*/
    color: #6f6f6f
}

.sidebar-menu > li > a > .fa {
    width: 20px
}

.sidebar-menu > li:hover > a, .sidebar-menu > li.active > a {
    /*鼠标悬停字体颜色*/
    color: #111;
    background: #e8e8e8;
    border-left-color: #555
}

.sidebar-menu > li > .treeview-menu {
    margin: 0 1px;
    /*下拉框展开的背景色*/
    background: #fafafa;
}

.sidebar-menu > li .label, .sidebar-menu > li .badge {
    margin-top: 3px;
    margin-right: 5px
}

.sidebar-menu li.header {
    padding: 10px 25px 10px 15px;
    font-size: 16px;
    /*主导航*/
    color: #000;
    background: #d4f3c8
}

.sidebar-menu li > a > .fa-angle-left {
    width: auto;
    height: auto;
    padding: 0;
    margin-right: 10px;
    margin-top: 3px
}

.sidebar-menu li.active > a > .fa-angle-left {
    transform: rotate(-90deg)
}

.sidebar-menu li.active > .treeview-menu {
    display: block
}

.sidebar-menu a {
    color: #cec5cd;
    text-decoration: none
}

.sidebar-menu .treeview-menu {
    display: none;
    list-style: none;
    padding: 0;
    margin: 0;
    padding-left: 5px
}

.sidebar-menu .treeview-menu .treeview-menu {
    padding-left: 20px
}

.sidebar-menu .treeview-menu > li {
    margin: 0
}

.sidebar-menu .treeview-menu > li > a {
    /*展开后字体*/
    padding: 5px 5px 5px 15px;
    display: block;
    font-size: 14px;
    color: #111
}

.sidebar-menu .treeview-menu > li > a > .fa {
    width: 20px
}

.sidebar-menu .treeview-menu > li > a > .fa-angle-left, .sidebar-menu .treeview-menu > li > a > .fa-angle-down {
    width: auto
}

.sidebar-menu .treeview-menu > li.active > a, .sidebar-menu .treeview-menu > li > a:hover {
    /*展开后悬浮*/
    color: #000;
    background-color: #e0e0e0;
}